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TDA7491P 数据表(PDF) 23 Page - STMicroelectronics

部件名 TDA7491P
功能描述  2 x 10-watt dual BTL class-D audio amplifier
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7491P 数据表(HTML) 23 Page - STMicroelectronics

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TDA7491P
Characterization curves
Doc ID 13540 Rev 6
23/42
Figure 26.
Power supply rejection ratio vs. frequency
Figure 27.
Power dissipation and efficiency vs. output power
6ohm 11v PSRR.at27
-100
+0
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Ripple frequency=100Hz
Ripple voltage=500mV
Test Condition:
Vcc =11V,
RL= 6 ohm,
Rosc =39k
Ω, Cosc =100nF,
Vin=0,
Gv =30dB,
0dB refers to 500mV, 100Hz,
Tamb =25
℃
Test Condition:
Vcc =11V,
RL= 6 ohm,
Rosc =39k
Ω, Cosc =100nF,
F=1kHz,
Gv =30dB,
Tamb =25
℃
0
10
20
30
40
50
60
70
80
90
100
02
4
6
8
10
12
Output power per channel (W)
0
0.5
1
1.5
2
2.5
3
Vcc=11V
Rload=6ohm
Gain=30dB
f=1kHz



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